USS Iowa may refer to:
- USS Iowa (1864), was a monitor originally named Ammonoosuc that was never commissioned. She was renamed Iowa before being sold
- USS Iowa (BB-4), was a battleship that saw action during the Spanish-American War
- USS Iowa (BB-53), was a battleship already under construction when she was canceled by the Washington Naval Treaty.
- USS Iowa (BB-61), was the lead ship of the Iowa-class battleships and saw action during World War II and the Korean War
- See also
- SS Iowan
- Steamboat Iowa, 1838, a Mississippi River boat that transported troops during the Civil War and appears on the Seal of Iowa
| This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists. |